EUVD-2026-68306Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-exploitable by any authenticated tool caller (PR:L, AV:N, AC:L); high integrity from arbitrary record modification; low confidentiality from implicit record enumeration via filter response behavior.
Primary rating from Vendor (EEF).
CVSS VectorVendor: EEF
Lifecycle Timeline
4DescriptionCVE.org
Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table.
In AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {"public_ref": {"not_eq": "<own-ref>"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.
This issue affects ash_ai: from 0.6.0 before 1.0.0.
AnalysisAI
Authorization bypass in AshAi (ash_ai) versions 0.6.0 through pre-1.0.0 allows any authenticated tool caller to update or destroy database records it never legitimately identified, up to and including every row in a table. The flaw is in AshAi.Tool.Execution.identity_filter/3, which passes raw tool arguments directly into Ash.Query.do_filter/2; because Ash's filter DSL interprets map values as predicate expressions rather than scalar literals, a caller can inject filter logic such as {"not_eq": "<own-ref>"} to retarget bulk writes to arbitrary records. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must be an authenticated caller with invocation rights to an AshAi-exposed tool (PR:L per CVSS 4.0 vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.1 (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N) is well-calibrated to the actual risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade ash_ai to version 1.0.0 or later, which incorporates the fix from commit 87f616d5bfbf7af43346f0701ae17f853789a602 (https://github.com/ash-project/ash_ai/commit/87f616d5bfbf7af43346f0701ae17f853789a602). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique Authentication Bypass
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External POC / Exploit Code
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